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Is Homosexuality Biologically Influenced?

Bohm's Alternative to Quantum Mechanics

This theory, ignored for most of the past four decades, challenges the probabilistic, subjectivist picture of reality implicit in the standard formulation of quantum mechanics

By David Z Albert

Directional Drilling

New techniques enable crews to drill around natural or man-made obstructions for oil and gas. These same methods are used to sample underground pollutants and bury service lines

By George A. Cooper

East Side Story: The Origin of Humankind

The Rift Valley in Africa holds the secret to the divergence of hominids from the great apes and to the emergence of human beings

By Yves Coppens


  • Evidence for a Biological Influence in Male Homosexuality

  • The Biological Evidence Challenged

  • How Interferons Fight Disease

  • Chesley Bonestell's Astronomical Visions

  • Aging Airways

  • Endangered Support of Basic Science

  • Letters

    Letters to the Editors, May 1994

  • Recommended

    Book Reviews--A Volcano is Born

  • 50, 100 & 150 Years Ago

    50 and 100 Years Ago: Train Telephone System and Science Behind Women's Suffrage

  • Profile

    Fundamental Rights, Fundamental Physics

  • Mathematical Recreation

    How Many Guards in the Gallery?

  • Science and the Citizen

    When Treaties Fail

  • Neural Eavesdropping

  • The Lucky Ones

  • Take the Pain?

  • Unbearable Lightness

  • Family Matters

  • Vishnu Violated

  • Amazing Grace

  • Departments

    How Green is my Label?

  • Technology and Business

    What's Bred in the Bone

  • Devilish Details

  • Cold Calculation

  • Office Romance

  • As Advertised

  • Lollipop, Lollipop

  • The Price of Clean

  • Gray Matter

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May 1994

20% Sitewide for President's Day